<tr><tdstyle="cursor:default"><iclass="fa fa-spinner fa-lg fa-fw"></i> Set Max Age <input type='text' name='maxage' id='maxage' value="600" size="5" onchange='setMaxAge();'/>s</td></tr>
all layerswhetherhiddenornotwillcontributetotheheatmap.
The defaultisthatonlyvisiblelayersaddtotheheatmap.</p>`
varhelpText='<h3>Node-RED - Map all the things</h3><br/>';
helpText+='<p><i class="fa fa-search fa-lg fa-fw"></i> <b>Search</b> - You may enter a name, or partial name, or icon name of an object to search for.';
helpText +='The map will then jump to centre on each of the results in turn. If nothing is found locally it will try to';
helpText +='search for a place name if connected to a network.</p>';
helpText+='<p><i class="fa fa-spinner fa-lg fa-fw"></i> <b>Set Max Age</b> - You can set the time after which points';
helpText +='that haven\'t been updated get removed.</p>';
helpText+='<p><i class="fa fa-search-plus fa-lg fa-fw"></i> <b>Cluster at zoom</b> - lower numbers mean less clustering. 0 means disable totally.</p>';
helpText+='<p><i class="fa fa-arrows fa-lg fa-fw"></i> <b>Auto Pan</b> - When selected, the map will';
helpText +='automatically move to centre on each data point as they arrive.</p>';
helpText+='<p><i class="fa fa-lock fa-lg fa-fw"></i> <b>Lock Map</b> - When selected will save the';
helpText +='currently displayed area and basemap.';
helpText +='Reloading the map in the current browser will return to the same view.';
helpText +='This can be used to set your initial start position.';
helpText +='While active it also restricts the "auto pan" and "search" to within that area.</p>';
helpText+='<p><i class="fa fa-globe fa-lg fa-fw"></i> <b>Heatmap all layers</b> - When selected';
helpText +='all layers whether hidden or not will contribute to the heatmap.';
helpText +='The default is that only visible layers add to the heatmap.</p>';